WO2014205672A1 - Tambour intérieur pour machine à laver, procédé de fabrication de celui-ci, et machine à laver - Google Patents

Tambour intérieur pour machine à laver, procédé de fabrication de celui-ci, et machine à laver Download PDF

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Publication number
WO2014205672A1
WO2014205672A1 PCT/CN2013/078000 CN2013078000W WO2014205672A1 WO 2014205672 A1 WO2014205672 A1 WO 2014205672A1 CN 2013078000 W CN2013078000 W CN 2013078000W WO 2014205672 A1 WO2014205672 A1 WO 2014205672A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner cylinder
washing machine
machine according
guide grooves
groove
Prior art date
Application number
PCT/CN2013/078000
Other languages
English (en)
Chinese (zh)
Inventor
康菲
黄升野
殷培杰
Original Assignee
无锡小天鹅股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 无锡小天鹅股份有限公司 filed Critical 无锡小天鹅股份有限公司
Priority to PCT/CN2013/078000 priority Critical patent/WO2014205672A1/fr
Publication of WO2014205672A1 publication Critical patent/WO2014205672A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis

Definitions

  • the present invention relates to the field of electrical appliances, and more particularly to an inner cylinder for a washing machine, a manufacturing method thereof, and a washing machine therefor. Background technique
  • the side wall of the inner tube of the conventional washing machine has substantially no dewatering holes, which causes the moisture in the clothes and fabrics to be discharged out of the inner tube in time when dehydration, and there is a problem that the clothes and the fabric are dehydrated and uneven.
  • a relatively popular side wall of the cylinder is a slanted conical inner cylinder, which better solves the problem of dehydration and unevenness, but the conical barrel unfolding piece is fan-shaped, when scraping and rolling Problems such as low yields lead to high production costs and are not suitable for mass production.
  • the popularization of water-saving and environmentally-friendly washing machines has an urgent need for a non-porous inner cylinder technology with good dewatering effect and low cost. Summary of the invention
  • the present invention aims to solve at least one of the technical problems existing in the prior art.
  • an object of the present invention is to provide an inner cylinder for a washing machine which has a good dewatering effect, uniform dehydration and low cost.
  • Another object of the present invention is to provide a method of manufacturing an inner cylinder for manufacturing the above-described washing machine.
  • An inner cylinder for a washing machine wherein the inner cylinder has a substantially cylindrical shape, the inner cylinder has oppositely disposed bottom sides and a top side; and a plurality of axial axes are formed on the inner cylinder
  • a radially outwardly convex flow guiding groove extending and spaced apart from each other, at least a part of the flow guiding groove extends from the vicinity of the bottom side toward the top side and the convex depth gradually increases, and the groove bottom of the at least part of the guiding groove
  • At least an upper end portion of the cylindrical inner cylinder constitutes a convex tapered contour, and a drain hole is formed in the vicinity of a top side of the at least partial flow guiding groove.
  • the inner cylinder of the washing machine by providing the guide groove and the drainage hole, moisture generated during centrifugal dewatering of clothes, fabrics, or the like can be discharged through the drainage hole through the drainage groove, and the inner cylinder is ensured for clothing, When the fabric is less worn, the dewatering performance of the inner cylinder is effectively improved, and by adopting a substantially cylindrical inner cylinder, the versatility is good, the processing is convenient, and the manufacturing cost is reduced. Further, by providing the drain hole in the upper portion of the guide groove, the wear of the drain hole to the clothes and the fabric is effectively prevented.
  • the inner cylinder for a washing machine may have the following additional technical features:
  • each of the flow guiding grooves comprises: two side walls, the two side walls are spaced apart from each other in a circumferential direction of the inner cylinder and one end is respectively connected to the inner cylinder; And a groove bottom, two ends of the groove bottom are respectively connected to the free ends of the two side walls.
  • each of the flow guiding grooves is configured such that a distance between the groove bottom of the flow guiding groove and the inner wall of the inner cylinder gradually increases from bottom to top.
  • the rl is half the inner diameter of the inner cylinder. Therefore, it is greatly facilitated that the lower water enters the diversion trough and climbs upward along the trough wall of the diversion trough.
  • a smooth transition between the two side walls and the bottom of the groove is respectively performed.
  • the moisture released from the clothes, the woven fabric or the like has a good flow guiding effect, and the laundry and the fabric are not easily worn.
  • each of the flow guiding grooves extends in a straight line in the up and down direction. Therefore, the drainage effect is better, and the moisture is quickly discharged from the inner cylinder.
  • a plurality of the flow guiding grooves are formed parallel to each other and obliquely formed on the inner cylinder.
  • At least one protrusion is provided between two adjacent flow guiding grooves.
  • a plurality of protrusions are disposed between the two adjacent flow guiding grooves, and the plurality of protrusions are spaced apart from each other in the up and down direction.
  • each of the projections is recessed radially inward from a peripheral wall of the inner cylinder.
  • the inner cylinder and the flow guiding groove on the inner cylinder are formed by stamping.
  • the inner cylinder is formed from a stainless steel web.
  • a method for manufacturing an inner cylinder for a washing machine comprising: providing a rectangular tubular body piece having oppositely disposed bottom sides and a top side; The web is stamped outwardly to form a plurality of radially outwardly convex guide grooves extending in the axial direction and spaced apart from each other. At least a part of the flow guiding grooves extend from the vicinity of the bottom side toward the top side and the convex depth gradually increases.
  • a drainage hole is formed in the vicinity of the top side of the at least part of the flow guiding groove; the rectangular tubular body piece formed with the flow guiding groove is connected to form a cylindrical inner cylindrical body, wherein the at least part of the guiding groove At least the upper end portion of the cylindrical inner cylinder of the groove bottom constitutes a convex convex profile.
  • the inner cylinder manufacturing method for a washing machine according to an embodiment of the present invention is simple in processing, suitable for mass production, and low in cost.
  • a washing machine comprising: a body; and an inner cylinder for a washing machine according to the first aspect of the invention, wherein the inner cylinder is disposed in the body.
  • the washing machine of the embodiment of the present invention by providing the inner cylinder of the above embodiment, the moisture content of the laundry, the fabric, and the like after dehydration is effectively reduced, and the clothing, the fabric, etc. are improved, in the case where the abrasion of the laundry, the fabric, and the like is small. Dehydration uniformity.
  • FIG. 1 is a top plan view of an inner cylinder for a washing machine in accordance with one embodiment of the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1;
  • 3a-3c are cross-sectional views taken along line B-B, line C-C, and line D-D of Fig. 2, respectively;
  • Figure 4 is a developed view of the inner cylinder shown in Figure 1;
  • Figure 5 is a cross-sectional view of an inner cylinder for a washing machine in accordance with another embodiment of the present invention.
  • 6a-6c are cross-sectional views taken along lines E-E, F-F, and G-G of Fig. 5, respectively;
  • Figure 7 is a developed view of the inner cylinder shown in Figure 5;
  • Figure 8 is a plan view of an inner cylinder for a washing machine in accordance with still another embodiment of the present invention.
  • Figure 9 is a cross-sectional view taken along line H-H of Figure 8.
  • Figure lOa-lOc are cross-sectional views taken along line I-I, line J-J, and line K-K of Figure 9, respectively;
  • Figure 11 is a developed view of the inner cylinder shown in Figure 8. Description of the reference signs:
  • connection should be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or connected in one piece; can be directly connected, or indirectly connected through an intermediate medium, and can be internal to the two elements.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • An inner cylinder 100 for a washing machine which can be used in a pulsator washing machine, will be described below with reference to Figs.
  • the inner cylinder 100 is used for a pulsator washing machine as an example.
  • the inner cylinder 100 can also be used for other types of laundry. In the machine, not limited to the washing machine.
  • an inner cylinder 100 for a washing machine in accordance with an embodiment of the first aspect of the present invention.
  • the inner cylinder 100 is substantially cylindrical, and the inner cylinder 100 has oppositely disposed bottom sides (lower sides as shown in FIGS. 2, 5, and 9) and a top side (as shown in FIGS. 2, 5, and 9).
  • a plurality of radially outwardly convex guide grooves 1 extending in the axial direction and spaced apart from each other are formed.
  • the inner cylinder 100 has a substantially circular cross-sectional shape, and a plurality of flow guiding grooves 1 are formed on the peripheral wall of the inner cylinder 100, and a plurality of flow guiding grooves 1 are circumferentially of the inner cylinder 100. They are spaced apart from each other, and in particular, each of the flow guiding grooves 1 is recessed radially outward from the inner wall of the inner cylinder 100.
  • “outward” can be understood as a direction from the central axis of the inner cylinder 100 in the radial direction thereof toward the peripheral wall of the inner cylinder 100.
  • At least a portion of the flow guiding groove 1 extends from the vicinity of the bottom side toward the top side and the convex depth gradually increases, and at least a portion of the groove bottom 12 of the flow guiding groove 1 forms a convex contour on at least the upper end portion of the cylindrical inner cylinder
  • the drainage hole 2 is formed in the vicinity of the top side of at least part of the flow guiding groove 1. That is, the depth of at least one of the plurality of flow guiding grooves 1 gradually increases radially outward in the direction from bottom to top, and the groove at the upper end of the at least one flow guiding groove 1
  • the bottom 12 is formed in a tapered shape and a drain hole 2 is formed at the upper end.
  • each group of guiding channels 1 includes a plurality of guiding channels 1 spaced apart from each other, optionally, each group of diversions The distance between the two adjacent flow guiding grooves 1 in the groove 1 is equal, respectively, so that the dehydration uniformity of the clothes and the fabric can be improved.
  • the outermost circumference of the inner cylinder 100 in Fig. 1 is formed by the outermost bead of the upper portion of the inner cylinder 100 in Fig. 2.
  • the plurality of flow guiding grooves 1 are parallel to each other and each of the flow guiding grooves 1 extends in the up and down direction, and the upper end and the lower end of each of the flow guiding grooves 1 are respectively The upper end surface and the lower end surface of the inner cylinder 100 are adjacent to each other.
  • the plurality of flow guiding grooves 1 are parallel to each other. It should be understood that the size of the guide groove 1 and the distance between the adjacent flow guiding grooves 1 can be set according to actual requirements to better meet the actual requirements.
  • each of the guide grooves 1 is formed with a drainage hole 2 at the upper end thereof, and moisture on the clothes and the fabric can be drained through the guide groove 1.
  • the hole 2 is discharged.
  • the washing machine When the washing machine performs the dehydrating operation on the clothes and the fabric in the inner cylinder 100, the moisture in the laundry and the fabric is sucked onto the wall of the inner cylinder 100, and the water will climb upward along the groove wall of the guiding groove 1 after being collected.
  • the inner cylinder 100 is discharged through the upper drain hole 2, and finally discharged outside the washing machine.
  • the centrifugal dewatering is continued, thereby effectively reducing the moisture content of the laundry and the fabric after dehydration, and improving the uniformity of dehydration of the laundry and the fabric.
  • the inner cylinder 100 for a washing machine by providing the flow guiding groove 1 and the drainage hole 2, moisture generated during centrifugal dehydration of clothes, fabrics, or the like can be discharged through the drainage hole 2 through the drainage groove 1, in ensuring
  • the inner cylinder 100 effectively improves the dewatering performance of the inner cylinder 100 in the case where the abrasion of the clothes, the fabric, and the like is small, and the versatility is good, the processing is facilitated, and the manufacturing cost is reduced by adopting the inner cylinder 100 having a substantially cylindrical shape.
  • the water hole 2 is provided at the upper portion of the flow guiding groove 1, and the wear of the laundry hole and the fabric by the drainage hole 2 is effectively prevented.
  • each of the flow guiding grooves 1 comprises: two side walls 11 and a groove bottom 12, the two side walls 11 are spaced apart from each other in the circumferential direction of the inner cylinder 100, and the two side walls 11 One end is connected to the inner cylinder 100, respectively.
  • the two side walls 11 are spaced apart from each other in the left-right direction, and the distance between the two side walls 11 in the radial direction of the inner cylinder 100 is gradually reduced, each One end of the side wall 11 adjacent to the peripheral wall of the inner cylinder 100 is connected to the inner cylinder 100.
  • the present invention is not limited thereto, and in other examples of the present invention, the distance between the two side walls 11 spaced apart from each other in the radial direction of the inner cylinder 100 may be equal or gradually increased (not shown).
  • the two ends of the groove bottom 12 are respectively connected to the free ends of the two side walls 11 (upper ends as shown in Figures 3b, 6b and 10b), optionally
  • the groove bottom 12 can be constructed as a plane or a curved surface.
  • each of the flow guiding grooves 1 is configured such that the distance between the groove bottom 12 of the lower to upper flow guiding groove 1 and the groove bottom 12 of the inner cylinder 100 is gradually increased. Referring to Figures 2, 3, 5, 6, 9, and 10, the distance between the groove bottom 12 of the guide groove 1 and the corresponding groove bottom 12 of the inner cylinder 100 is gradually increased from bottom to top.
  • the horizontal distance between the central axis of the inner cylinder 100 and the plane of the groove bottom 12 of the flow guiding groove 1 is gradually increased, at this time, the central axis of the inner cylinder 100 and the groove bottom 12 of the flow guiding groove 1 are There is a certain angle between the two, so that by setting the inclined diversion channel 1 which is favorable for drainage, the water droplets centrifugally ejected in the clothes, fabrics and the like during dehydration can be removed in time, and the moisture content of the clothes, fabrics and the like after dehydration can be remarkably reduced. And can greatly improve the uniformity of dehydration.
  • the distance between the bottom 12 of the lower end of the guide groove 1 and the central axis of the inner cylinder 100 is rl, and the distance between the bottom 12 of the upper end of the guide groove 1 and the central axis of the inner cylinder 100 is r2.
  • the height of the guide groove 1 in the up and down direction is h.
  • the distance between the groove bottom 12 of the bottom of the guide groove 1 and the central axis of the inner cylinder 100 is rl
  • the groove bottom 12 and the inner cylinder of the top of the guide groove 1 The distance between the central axes of 100 is r2
  • the height of the guide grooves 1 in the axial direction of the inner cylinder 100 is h.
  • rl is half the inner diameter of the inner cylinder 100.
  • the bottom groove bottom 12 of the guide groove 1 is substantially flush with the corresponding wall surface of the inner cylinder 100, and the guide groove 1 is gradually recessed from the bottom to the upper side in the radial direction of the inner cylinder 100, which greatly facilitates the lower portion.
  • the water enters the flow guiding groove 1 and climbs up the groove wall of the flow guiding groove 1, as shown in Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 9, and Fig. 10.
  • a smooth transition is made between the two side walls 11 and the groove bottom 12, respectively.
  • the two side walls 11 and the groove bottom 12 are smoothly transitioned by rounded corners, respectively, so that they are detached from clothes, fabrics, etc. Moisture has a good flow guiding effect and is not easy to wear clothes and fabrics.
  • each of the flow guiding grooves 1 extends in a straight line in the up and down direction.
  • the guide groove 1 extends in the up-and-down direction and the extending direction of the guide groove 1 is substantially parallel to the central axis of the inner cylinder 100, thereby having a good flow guiding effect and facilitating rapid moisture.
  • the inner cylinder 100 is discharged.
  • the guide groove 1 may also extend in a vertical direction along a curve such as an arc, along a wavy line or along a fold line (not shown).
  • the present invention is not limited thereto, and in another embodiment of the present invention, the plurality of flow guiding grooves 1 may be formed parallel to each other and obliquely formed on the inner cylinder 100.
  • the guide groove 1 is obliquely formed on the peripheral wall of the inner cylinder 100, and the guide groove 1 is at an angle with the central axis of the inner cylinder 100 (as shown in Fig. 7). It should be understood that the specific value of the angle between the guide groove 1 and the central axis of the inner cylinder 100 can be set according to actual requirements to have a better flow guiding effect.
  • At least one protrusion 3 is provided between the adjacent two flow guiding grooves 1.
  • a projection 3 is provided between adjacent two flow guiding grooves 1 in each group of guiding grooves 1, and each projection 3 is radially inward from the peripheral wall of the inner cylinder 100.
  • the projections 3 may also be formed as ribs (not shown) projecting radially inward from the inner wall of the inner cylinder 100.
  • a plurality of protrusions 3 are disposed between two adjacent flow guiding grooves 1, and the plurality of protrusions 3 are spaced apart from each other in the up and down direction. Settings (not shown).
  • the lower end of the projection 3 is substantially flush with the lower end of the flow guiding groove 1, and the upper end is lower than the upper end of the flow guiding groove 1. It should be understood that the length of the protrusion 3 can be set according to actual requirements to better meet the actual requirements.
  • a drain hole 2 is formed in each of the flow guiding grooves 1, and a drain hole 2 is adjacent to the upper end of the flow guiding groove 1.
  • the drain hole 2 is formed at the top of the guide groove 1, and optionally, the shape of the drain hole 2 is circular, elliptical, oblong or at least larger than three sides. Wait.
  • a plurality of drainage holes 2 may be formed in each of the flow guiding grooves 1, and the plurality of drainage holes 2 may be adjacent to the upper end of the flow guiding groove 1 (not shown).
  • the dehydration efficiency of the inner cylinder 100 is further improved.
  • the inner cylinder 100 and the guide groove 1 on the inner cylinder 100 are formed by stamping, wherein the inner cylinder 100 is formed of a stainless steel web.
  • the inner cylinder 100 for the washing machine and the guide groove 1 on the inner cylinder 100 may be injection molded, which is not limited herein.
  • An inner cylinder manufacturing method for manufacturing the above washing machine according to the second aspect of the present invention includes:
  • the rectangular barrel webs formed with the flow guiding grooves 1 are joined to form a cylindrical inner cylinder body, wherein at least a portion of the bottom end portion of the cylindrical inner cylinder 12 of the flow guiding groove 1 constitutes a convex convex profile.
  • the inner cylinder manufacturing method for a washing machine according to an embodiment of the present invention is simple in processing, suitable for mass production, and low in cost.
  • a washing machine (not shown) according to an embodiment of the third aspect of the present invention comprising: a body and an inner cylinder 100 for a washing machine according to the above-described first aspect of the present invention, wherein the inner cylinder 100 is disposed in the body.
  • the washing machine of the embodiment of the present invention by providing the inner cylinder 100 of the above embodiment, the moisture content of the laundry, the fabric, and the like after dehydration is effectively reduced in the case where the laundry, the fabric, and the like are less worn, and the laundry and the fabric are improved. Equal dehydration uniformity.
  • washing machine such as a pulsator washing machine in accordance with an embodiment of the present invention
  • a washing machine such as a pulsator washing machine in accordance with an embodiment of the present invention

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

L'invention concerne un tambour intérieur (100) pour une machine à laver, un procédé de fabrication de celui-ci, et une machine à laver. Le tambour intérieur (100) comporte un côté inférieur et un côté supérieur qui sont agencés de manière opposée ; et une pluralité de fentes de guidage d'écoulement faisant saillie vers l'extérieur dans le sens radial (1), qui s'étendent dans une direction axiale et qui sont espacées les unes par rapport aux autres, et qui sont formées sur le tambour intérieur (100), dans lequel au moins quelques-unes des fentes de guidage d'écoulement (1) s'étendent depuis une position à proximité du côté inférieur jusqu'au côté supérieur et les profondeurs faisant saillie vers l'extérieur augmentent progressivement, des parties inférieures (12) de fente d'au moins quelques-uns des fentes de guidage d'écoulement (1) forment un contour conique faisant saillie vers l'extérieur sur au moins une partie d'extrémité supérieure du tambour intérieur cylindrique (100), et des trous d'évacuation d'eau (2) sont formés à proximité des côtés supérieurs d'au moins quelques-unes des fentes de guidage d'écoulement (1).
PCT/CN2013/078000 2013-06-26 2013-06-26 Tambour intérieur pour machine à laver, procédé de fabrication de celui-ci, et machine à laver WO2014205672A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/078000 WO2014205672A1 (fr) 2013-06-26 2013-06-26 Tambour intérieur pour machine à laver, procédé de fabrication de celui-ci, et machine à laver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/078000 WO2014205672A1 (fr) 2013-06-26 2013-06-26 Tambour intérieur pour machine à laver, procédé de fabrication de celui-ci, et machine à laver

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WO2014205672A1 true WO2014205672A1 (fr) 2014-12-31

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731790A (ja) * 1993-07-20 1995-02-03 Toshiba Corp 脱水兼用洗濯機
JPH0956977A (ja) * 1995-08-30 1997-03-04 Sharp Corp 電気洗濯機
CN103088608A (zh) * 2011-10-31 2013-05-08 苏州三星电子有限公司 洗衣机内筒结构
CN103485125A (zh) * 2013-06-26 2014-01-01 无锡小天鹅股份有限公司 用于洗衣机的内筒、制造方法及其洗衣机
CN203411814U (zh) * 2013-06-26 2014-01-29 无锡小天鹅股份有限公司 用于洗衣机的内筒及其洗衣机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731790A (ja) * 1993-07-20 1995-02-03 Toshiba Corp 脱水兼用洗濯機
JPH0956977A (ja) * 1995-08-30 1997-03-04 Sharp Corp 電気洗濯機
CN103088608A (zh) * 2011-10-31 2013-05-08 苏州三星电子有限公司 洗衣机内筒结构
CN103485125A (zh) * 2013-06-26 2014-01-01 无锡小天鹅股份有限公司 用于洗衣机的内筒、制造方法及其洗衣机
CN203411814U (zh) * 2013-06-26 2014-01-29 无锡小天鹅股份有限公司 用于洗衣机的内筒及其洗衣机

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